Rockwell Tools via eBay offers the Rockwell 8-amp 1/2" Hammer Drill, model no. RK3137K, for $49.99 with free shipping. That's $10 under our mention from last November and the lowest total price we've seen. (It's a current low by $50.) It features a keyless chuck, three drill bits, three masonry bits, LED light, and aluminum gearbox.